3.. 6.25. Select the lightest structural tee (WT) to serve asthe compression chord of a truss to carry 40 kipsdead load and 45 kips live load. In the plane of thetruss the chord is braced by adjoining web mem-bers that frame in at 5-ft intervals. Perpendicularto the plane of the truss, the chord is braced at 10 ftby a system of lateral purlin supports. Use themost economical of A992 or A572 Grade 65 steelsif Grade 65 costs 12% more than A992.mitted

Given:-dead load=40 kips live load=45 kips 5 ft intervalschord braced=10 ftA992 and A572 Grade…

Select the lighte the compression chord of a truss to carry 40 ki dead load and 45 kips live load. In the plane of t truss the chord is braced by adjoining web me bers that frame in at 5-ft intervals. Perpendicu to the plane of the truss, the chord is braced at 10 flatanal purlin supports. Use

Select the lighte the compression chord of a truss to carry 40 ki dead load and 45 kips live load. In the plane of t truss the chord is braced by adjoining web me bers that frame in at 5-ft intervals. Perpendicu to the plane of the truss, the chord is braced at 10 flatanal purlin supports. Use

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter5: Beams

Section: Chapter Questions

Problem 5.11.9P

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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

3..

6.25. Select the lightest structural tee (WT) to serve as
the compression chord of a truss to carry 40 kips
dead load and 45 kips live load. In the plane of the
truss the chord is braced by adjoining web mem-
bers that frame in at 5-ft intervals. Perpendicular
to the plane of the truss, the chord is braced at 10 ft
by a system of lateral purlin supports. Use the
most economical of A992 or A572 Grade 65 steels
if Grade 65 costs 12% more than A992.
mitted

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